.box {
    padding: 30px;
    border: 2px solid olivedrab;
}

.box div {
    display: inline-block;
    width: 80px;
    height: 80px;
    margin-right: 30px;
    border: 5px solid salmon;
}

.radius .box1 {
    border-radius: 20px;
}

.radius .box2 {
    border-radius: 15px 30px 20px 5px;
}

.radius .box3 {
    border-radius: 15px 30px 20px 5px/ 15px 0 10px 25px;
}

.radius .box4 {
    border-radius: 50%;
}

span {
    color: darkorange;
}

.shadow div {
    background-color: coral;
}

.shadow .box1 {
    box-shadow: 10px 10px 5px #888;
}

.shadow .box2 {
    box-shadow: 1px 0 8px olivedrab, 0 -1px 8px dodgerblue;
}

.shadow .box3 {
    box-shadow: 0 0 10px darkgreen inset;
}

.shadow .box4 {
    box-shadow: 10px 10px 10px dodgerblue;
    /* filter:progid:dXImageTransform.Microsoft.DropShadow(color='dodgerblue',offX=10,offY=10,positives=true); */
    /* filter:progid:DXImageTransform.Microsoft.Shadow(color='dodgerblue', Direction='120', Strength='10'); */
    behavior: url(../js/ie-css3.htc);
}

.shadow p span {
    text-decoration: line-through;
}

.image div {
    border-width: 10px;
}

.image .box1 {
    border-image: url(../images/border.png) 30 30 round;
}

.image .box2 {
    border-image: url(../images/border.png) 0 30 round;
}

.image .box3 {
    border-image: url(../images/border.png) 30 0 round;
}

.image .box4 {
    border-image: url(../images/border.png) 30 30 0 round;
}

.image .box5 {
    border-image: url(../images/border.png) 30 round;
}

.image .box6 {
    border-image: url(../images/border.png) 30 stretch;
}

.image .box7 {
    border-image: url(../images/border.png) 15 repeat;
}

.size div {
    width: 150px;
    height: 100px;
    background: url(../images/bg.jpg);
    background-repeat: no-repeat;
}

.size .box1 {
    background-size: contain;
}

.size .box2 {
    background-size: cover;
}

.size .box3 {
    background-size: 80px 80px;
}

.size .box4 {
    background-size: 80px 80px;
    /* -ms-filter: "progid:DXImageTransform.Microsoft.AlphaImageLoader(src='path_relative_to_the_HTML_file', sizingMethod='scale')"; */
    /* -ms-filter: "progid:DXImageTransform.Microsoft.AlphaImageLoader(src='../images/bg.jpg', sizingMethod='scale')"; */
}

.origin div {
    width: 150px;
    padding: 20px;
    color: #fff;
    background: url(../images/bg.jpg);
    background-repeat: no-repeat;
    background-size: 100px;
    border-color: rgba(0, 0, 0, .1);
    border-width: 15px;
}

.origin .box1 {
    background-origin: padding-box;
}

.origin .box2 {
    background-origin: content-box;
}

.origin .box3 {
    background-origin: border-box;
}

.clip div {
    width: 150px;
    padding: 20px;
    background-image: url(../images/bg.jpg);
    color: #fff;
    border: 10px solid rgba(0, 0, 0, .1);
}

.clip .box1 {
    background-clip: border-box;
}

.clip .box2 {
    background-clip: content-box;
}

.clip .box3 {
    background-clip: padding-box;
}

.text {
    font-size: 30px;
    font-weight: 900;
    color: #4caf50;
    text-shadow: 3px 3px 5px #607d8b;
}

.transform>div {
    background-color: #b8b8b8;
    border: 10px solid #e3e3e3;
}

.transform>div>div {
    border: 0;
    background-color: teal;
    transition: all ease 1s;
}

.transform .box1:hover div {
    transform: matrix(1, 1, 0, 1, 0, 0);
}

.transform .box2:hover div {
    /* transform: matrix3d(1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1); */
    /* transform: matrix3d(15, 15); */
    transform: translate(20px, 20px);
}



.transform .box3:hover div {
    /* transform: translate3d(20px, 20px, 20px); */
    transform: scale(1.5, 1.2);
}

.transform .box4:hover div {
    transform: skew(45deg);
}

.transform .box5 {
    perspective: 100px;
}

.transform .box5:hover div {
    transform: rotateX(45deg);
}

.transform .box6:hover div {
    transform: rotate(-45deg);
}

.transform .box7 div {
    -webkit-transform-origin: 100% 0 0;
    transform-origin: 100% 0 0;
}

.transform .box7:hover div {
    transform: rotate(45deg);
}

@keyframes mymove {
    0% {
        transform: rotate(0deg);
        left: 0;
    }

    50% {
        transform: rotate(360deg) scale(1.5);
        left: 500px;
        background-color: salmon;
    }

    100% {
        transform: rotate(720deg);
        left: 0;
    }
}

.animation .box1 {
    position: relative;
}

.animation .box1:hover {
    -webkit-animation: mymove 3s ease infinite reverse;
    -moz-animation: mymove 3s ease infinite reverse;
    animation: mymove 3s ease infinite reverse;
}

.gradient div {
    width: 200px;
    border: 0;
}

.gradient .box1 {
    background: -webkit-linear-gradient(left, #37ecba, #72afd3);
    background: -o-linear-gradient(right, #37ecba, #72afd3);
    background: -moz-linear-gradient(right, #37ecba, #72afd3);
    background: linear-gradient(to right, #37ecba, #72afd3);
}

.gradient .box2 {
    background: -webkit-linear-gradient(left top, #e14fad 50%, #f9d423 50%);
    background: -o-linear-gradient(bottom right, #e14fad 50%, #f9d423 50%);
    background: -moz-linear-gradient(bottom right, #e14fad 50%, #f9d423 50%);
    background: linear-gradient(to bottom right, #e14fad 50%, #f9d423 50%);
}

.gradient .box3 {
    background: -webkit-linear-gradient(right top, #E3FDF5, #FFE6FA 50%);
    background: -o-linear-gradient(bottom left, #E3FDF5, #FFE6FA 50%);
    background: -moz-linear-gradient(bottom left, #E3FDF5, #FFE6FA 50%);
    background: linear-gradient(to bottom left, #E3FDF5, #FFE6FA 50%);
}

.gradient .box4 {
    height: 200px;
    border-radius: 50%;
    background: -webkit-radial-gradient(#e14fad, #f9d423, #ec8c69);
    background: -o-radial-gradient(#e14fad, #f9d423, #ec8c69);
    background: -moz-radial-gradient(#e14fad, #f9d423, #ec8c69);
    background: radial-gradient(#e14fad, #f9d423, #ec8c69);
}

.gradient .box5 {
    height: 200px;
    border-radius: 50%;
    background: -webkit-radial-gradient(#e14fad 20%, #f9d423 50%, #ec8c69 30%);
    background: -o-radial-gradient(#e14fad 20%, #f9d423 50%, #ec8c69 30%);
    background: -moz-radial-gradient(#e14fad 20%, #f9d423 50%, #ec8c69 30%);
    background: radial-gradient(#e14fad 20%, #f9d423 50%, #ec8c69 30%);
}

.gradient .box6 {
    height: 200px;
    border-radius: 50%;
    background: -webkit-repeating-radial-gradient(#e14fad, #f9d423 10%, #ec8c69 15%);
    background: -o-repeating-radial-gradient(#e14fad, #f9d423 10%, #ec8c69 15%);
    background: -moz-repeating-radial-gradient(#e14fad, #f9d423 10%, #ec8c69 15%);
    background: repeating-radial-gradient(#e14fad, #f9d423 10%, #ec8c69 15%);
}

.gradient .box7 {
    background-color: #ec8c69;
    filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#ec8c69', endColorstr='#f9d423');
}

table {
    width: 100%;
    border-top: 1px solid #ccc;
    border-left: 1px solid #ccc;
}

table td,
table th {
    border-right: 1px solid #ccc;
    border-bottom: 1px solid #ccc;
    padding: 5px 10px;
}

table td {
    text-align: left;
}

tfoot {
    height: 30px;
    line-height: 30px;
    font-size: 20px;
    font-weight: 900;
}

.task h3 {
    position: relative;
    padding: 0 20px;
    width: 80px;
    height: 60px;
    line-height: 60px;
    transition: all ease-in-out 0.5s;
}

.task h3::before {
    content: "";
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: dodgerblue;
    transform: scale(0);
    transition: all ease-in-out 0.5s;
}

h3.active {
    color: dodgerblue;
}

h3.active::before {
    transform: scale(1);
}

.task button {
    padding: 10px 8px;
    background: #1baee1;
    border: 1px solid #1baee1;
    color: #fff;
    border-radius: 2px;
    cursor: pointer;
}

.task button:hover {
    background: #46bfe9;
    border-color: #46bfe9;
}

.task2 div {
    width: 58px;
    height: 68px;
    line-height: 68px;
    background: #f7f6f6;
    border: 2px solid #ebebeb;
    font-size: 18px;
    font-family: "Microsoft YaHei", Arial, Helvetica, sans-serif;
    font-weight: 700;
    text-align: center;
}

.task2 .box1 {
    -webkit-transform: skew(30deg);
    -moz-transform: skew(30deg);
    -ms-transform: skew(30deg);
    -o-transform: skew(30deg);
    transform: skew(30deg);
}

.task2 .box2 {
    -webkit-transform: scaleX(0.5);
    -moz-transform: scaleX(0.5);
    -ms-transform: scaleX(0.5);
    -o-transform: scaleX(0.5);
    transform: scaleX(0.5);
}

.task2 .box3 {
    -webkit-transform: rotate(45deg);
    -moz-transform: rotate(45deg);
    -ms-transform: rotate(45deg);
    -o-transform: rotate(45deg);
    transform: rotate(45deg);
    /* filter: progid:DXImageTransform.Microsoft.BasicImage(rotation=0.5); */
    filter: progid:DXImageTransform.Microsoft.Matrix(M11=-0.707, M12=-0.707, M21=0.707, M22=-0.707, SizingMethod='auto expand');
    -ms-filter: progid:DXImageTransform.Microsoft.Matrix(M11=-0.707, M12=-0.707, M21=0.707, M22=-0.707, SizingMethod='auto expand');
}

.task2 .box4 {
    -webkit-transform: translate(10px, 20px);
    -moz-transform: translate(10px, 20px);
    -ms-transform: translate(10px, 20px);
    -o-transform: translate(10px, 20px);
    transform: translate(10px, 20px);
}

.task2 .box5 {
    -webkit-transform: skew(30deg) scaleX(0.5) rotate(45deg) translate(10px, 20px);
    -moz-transform: skew(30deg) scaleX(0.5) rotate(45deg) translate(10px, 20px);
    -ms-transform: skew(30deg) scaleX(0.5) rotate(45deg) translate(10px, 20px);
    -o-transform: skew(30deg) scaleX(0.5) rotate(45deg) translate(10px, 20px);
    transform: skew(30deg) scaleX(0.5) rotate(45deg) translate(10px, 20px);
}